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Andy is moving a 12.7 lbf box on a wooden floor by pushing the box with 2.4 N of force forward and down at an angle 4.4o with respect to the floor. The box is moving with a constant speed of 0.3 m/s. What is the magnitude of the force of friction among the box and the floor?
How many coulombs of positive charge are there in 4.00 kg of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons?
A 220 cm length of string has a mass of 1.9 g. It is stretched with a tension of 7.1 N between fixed supports. What is the wave speed for this string? What is the lowest resonant frequency of this string?
A simple pendulum consists of a bob .085 kg attached to string of length 1.5 m Pendulum is raised to point Q, which is .08 m above its lowest point. Compute speed of the bob at its lowest point
Draw the network, calculate the earliest and latest time and what is the critical path
Develop an ititial feasible solution using the northwest corner mehthod. Compute the total cost for this solution
What are the roles and objective of FASB and IASB and what are the main reason for the joint project undertaken by the FASB and IASB?
Sabrina's just paid an annual dividend of $0.88 per share. This dividend is expected to increase by 4 percent annually. Currently, the firm has a beta of 0.87 and a stock price of $22.78 a share. What is the cost of equity capital for Sabrina's..
The firm maintains its all-equity status.
A 1300-kg car, initially at rest, is initially accelerated at 4.9m/s2. After the car moves 550m, the engine is cut off. The car then moves a distance of 1230 before coming to a stop. Suppose the road to be level and that g = 10 N/kg.
A bullet is shot into a block of plastic. The bullet penetrates the block 0.15 m. The mass of the bullet is 9 g. It is traveling with a speed of 525 m/s before it hits the block. Use kinematic equations to discover the magnitude of the acceleration o..
A man lifts a 2.7-kg stone vertically with his hand at a constant upward acceleration of 1.7 m/s2. What is the magnitude of the total force of the stone on the man's hand
A 77cm tall graduated cylinder is filled with 29cm of glycerin (density 1260 {kg/m3) and 48cm of water. Find the pressure difference between the top and bottom
a sphere with a mass of .3 kg and a radius of 15 cm starts from rest on a 22 degree incline 50 cm above a horizontal
Assume the ball leaves Sarah's hand a distance 1.5 meters above the ground, reaches a maximum height of 15.0 m above the ground, and takes 2.692 s to get directly over Julie's head. What is the speed of the ball when it leaves Sarah's hand? m/s 6)..
An apple is held off the ground by the surface of a table: The weak interaction. The normal interaction. The strong interaction.
Water is moving with a speed of 2.0 m/s through a perfectly sealed long pipe with a cross sectional area of 8 cm^2. The water descends 9 m as the pipe changes in area to 6 cm^2.
A 1.90-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.20sin(2?t), Find the resonance angular frequency of the system
Find out the magnitude of the acceleration (in m/s2) for an alpha particle in a uniform electric field with a magnitude of 100 N/C
A golf ball is struck with a five iron on level ground. It lands 92.7 away 4.10 later. find the magnitude of the initial velocity
A ball rolls across a floor with an acceleration of 0.100 m/s2 in a direction opposite to its velocity. What was the initial speed of the ball
A grappling hook, attached to a 1.5-m rope, is whirled in acircle that lies in the vertical plane. In the absence of airresistance, to what maximum height can the hook be cast
If we observe a stars spectrum and find that the peak power occurs at the border between blue and ultraviolet light, what is the surface temperature of the star in Celsius
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